Home / 209,120.77-313,680.53-59,361.19

Finding the Fourth Proportional to 209,120.77, 313,680.53 and 59,361.19

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Solution

The fourth proportional to 209,120.77, 313,680.53 and 59,361.19 is: 89,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,120.77 : 313,680.53 = 59,361.19 : x
  2. Step 2: Convert to fraction form
    209,120.77/313,680.53 = 59,361.19/x
  3. Step 3: Cross multiply
    209,120.77x = 313,680.53 × 59,361.19
  4. Step 4: Simplify right side
    209,120.77x = 18,620,448,570.93
  5. Step 5: Solve for x
    x = 18,620,448,570.93/209,120.77
  6. Step 6: Final answer
    x = 89,041.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.